swift创建collectionView

var dataSource = [String]()
//添加数据
privatefuncsaveData() {
dataSource += ["A-1","A-2","A-3","A-4","A-5","A-6","A-7","A-8","A-9","A-10","A-11"]
print(dataSource)
}

//懒加载
    lazyvarcollectionView :UICollectionView  = {
        let collLayou = UICollectionViewFlowLayout()
        letmag :CGFloat=10.0
        letcount :CGFloat=5.0
        letweight = (ScreenWidth-(mag*(count+1)))/count
        collLayou.itemSize=CGSize(width:weight, height:35)
        //行间距
        collLayou.minimumInteritemSpacing = 5
        //列间距
//        collLayou.minimumLineSpacing = 10
        collLayou.sectionInset=UIEdgeInsetsMake(10,10,10,10)
        letcoll =UICollectionView(frame:self.view.bounds, collectionViewLayout: collLayou)
        coll.backgroundColor = UIColor.white
        returncoll
    }()

self.view.addSubview(self.collectionView)
self.collectionView.delegate = self
self.collectionView.dataSource = self
self.collectionView.register(SwiftCollectionViewCell.classForCoder(), forCellWithReuseIdentifier:"cell")
saveData()

funccollectionView(_collectionView:UICollectionView, cellForItemAt indexPath:IndexPath) ->UICollectionViewCell{
        letcell = collectionView.dequeueReusableCell(withReuseIdentifier:"cell", for: indexPath)as!SwiftCollectionViewCell
        cell.backgroundColor = UIColor.blue
        print(dataSource[indexPath.item])
        cell.lable.text=dataSource[indexPath.item]
        returncell;
    }
    funccollectionView(_collectionView:UICollectionView, numberOfItemsInSection section:Int) ->Int{
        return dataSource.count
    }
    funcnumberOfSections(in collectionView:UICollectionView) ->Int{
        return1;
    }
    funccollectionView(_collectionView:UICollectionView, didSelectItemAt indexPath:IndexPath) {
        print(indexPath.item)
    }